JOURNAL of the Tunisian Chemical Society

serving the Research, the Education and the Industry

Synthesis of 3,4-dihydropyrimidinones catalyzed by ammonium chloride or montmorillonite KSF without solvent under ultrasonic irradiation

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The condensation of aldehydes, β-ketoesters and urea catalyzed by ammonium chloride or montmorillonite KSF without solvent results dihydropyrimidinones. Under ultrasonic irradiation at room temperature, Biginelli products were obtained in higher yields with shorter reaction time.

H. Slimi, Y. Moussaoui, R. Ben Salem

dihydropyrimidinones, ammonium chloride, montmorillonite KSF, ultrasonic irradiation

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